Perfumes are classified into 5 main groups loosely based on their concentration of aromatic compounds.
Finished perfume (parfum) has a 20–30% concentration of fragrance.
 As it contains a high concentration of fragrance, it is typically the most expensive.
 It is usually a heavier, oilier product than the other types of perfume, and tends to be used in smaller quantities.
 The smell is long-lasting — an average of 8 hours and up to 24 hours.
Eau de parfum or parfum de toilet has a 15–20% concentration of fragrance.
 Eau de parfum contains a greater concentration of alcohol and water and is generally cheaper than perfume (parfum).
 It is a lighter product and has a shorter duration of around 4 to 5 hours.
 Eau de parfum is the most common fragrance type and is the base for other fragrance types.
Eau de toilette has a 5–15% concentration of fragrance.
 Eau de toilette has a low concentration of essential oils and a high concentration of alcohol.
 It dissipates quickly and lasts 2 to 3 hours.
 It is a cheaper option and often used for daywear.
Eau de cologne has a 2–4% concentration of fragrance.
 Eau de cologne has a much lower fragrance concentration to create a very light formulation.
 It is primarily used in fragrances designed for males as an aftershave or splash-on fragrance.
 It dissipates quickly and lasts about 2 hours.
 Cologne, by definition, refers to ‘eau de cologne’. However, the term ‘cologne’ is in common use in the English language to denote any fragrance worn by a male
Eau fraiche has a 1–3% concentration of fragrance.
 Eau fraiche has the lowest fragrance concentration of all types of perfumes, and is diluted with water rather than alcohol or oil.
 Common uses for eau fraiche include mists and splashes that are very light and dissipate within an hour.